1004430401 has 32 divisors (see below), whose sum is σ = 1159183872. Its totient is φ = 863216640.

The previous prime is 1004430377. The next prime is 1004430403. The reversal of 1004430401 is 1040344001.

It is a de Polignac number, because none of the positive numbers 2^k-1004430401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004430401.

It is not an unprimeable number, because it can be changed into a prime (1004430403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3818996 + ... + 3819258.

It is an arithmetic number, because the mean of its divisors is an integer number (36224496).

Almost surely, 2^1004430401 is an apocalyptic number.

It is an amenable number.

1004430401 is a deficient number, since it is larger than the sum of its proper divisors (154753471).

1004430401 is a wasteful number, since it uses less digits than its factorization.

1004430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1004430401 is about 31692.7499753493. The cubic root of 1004430401 is about 1001.4746247463.

Adding to 1004430401 its reverse (1040344001), we get a palindrome (2044774402).

The spelling of 1004430401 in words is "one billion, four million, four hundred thirty thousand, four hundred one".